APPENDIX D AIR QUALITY MONITORING RESULTS FOR FEBRUARY 2002
Site: Lamma Power
Station Extension
Month: February 2002
24 hour TSP
Measurement:-
Date |
TSP concentration (mg/m3) |
Weather Information (From Hong Kong Observatory) |
|||||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
Tai Yuen Village (AM4) |
Mean Wind Speed (km/hr) |
Prevailing Wind Dir. (°) |
Mean R.H. (%) |
|
04/02/2002 |
92 |
87 |
102 |
103 |
30.1 |
070 |
74 |
10/02/2002 |
103 |
100 |
117 |
104 |
23.6 |
020 |
74 |
16/02/2002 |
46 |
43 |
47 |
50 |
24.9 |
060 |
75 |
22/02/2002 |
43 |
35 |
55 |
43 |
9.6 |
030 |
78 |
28/02/2002 |
34 |
37 |
35 |
42 |
11.6 |
040 |
83 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration (mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
04/02/2002 |
15:00-15:59 |
94 |
82 |
79 |
16:00-16:59 |
80 |
73 |
74 |
|
17:00-17:59 |
77 |
74 |
72 |
|
10/02/2002 |
15:00-15:59 |
28 |
36 |
40 |
16:00-16:59 |
61 |
43 |
45 |
|
17:00-17:59 |
50 |
34 |
35 |
|
16/02/2002 |
15:00-15:59 |
41 |
40 |
35 |
16:00-16:59 |
65 |
47 |
41 |
|
17:00-17:59 |
31 |
30 |
34 |
|
22/02/2002 |
15:00-15:59 |
33 |
35 |
27 |
16:00-16:59 |
43 |
39 |
43 |
|
17:00-17:59 |
41 |
49 |
33 |
|
28/02/2002 |
15:00-15:59 |
27 |
24 |
29 |
16:00-16:59 |
27 |
34 |
17 |
|
17:00-17:59 |
31 |
34 |
31 |
Remark:
(1)
The monitoring stations, Reservoir, East Gate
& Ash Lagoon are located within Lamma Power Station.
1-hr
TSP 24-hr
TSP
(mg/m3) (mg/m3)
Action Level 340 190
Limit Level 500 260
Calibration: Calibration
details are shown in appendix G.
Equipment used:
Location |
1-hr TSP |
24-hr TSP |
Reservoir and East Gate |
TEOM 1400a |
High Volume Air Sampler |
Ash Lagoon |
Partisol Model 2000 Sampler |
|
Tai Yuen Village |
- |
MINIVOL Portable Sampler |